NEET Biology question

When both ovaries are removed from a rat, which hormone is decreased in blood?

(A)Oxytocin
(B)Prolactin
(C)OestrogenCorrect
(D)Gonadotrophic releasing factor

Answer: (C)

Solution

Oestrogen is secreted mainly by the ovarian (Graafian) follicles, so surgical removal of both ovaries (ovariectomy) directly lowers circulating oestrogen

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Question ID VK-121893